Mar 2, 2012; 11:17 AM ET
The storm system triggering violent thunderstorms and tornadoes will bring downpours and locally heavy thunderstorms to the East into Saturday morning.
While a wedge of cool, stable air will keep the worst of storms away from the mid-Atlantic and New England, it won't be enough to keep rain and thunderstorms away from all locations.
**No organized widespread severe thunderstorms are forecast to make the trip east to the Appalachians and to the Atlantic Seaboard.**
However, downpours and thunderstorms are in store for some areas from central New York to central Pennsylvania, eastern West Virginia, Virginia and the
Delmarva tonight.
There is a risk of violent storms reaching into portions of western New York, western Pennsylvania and western West Virginia during the first part of tonight
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During Saturday morning, a zone of downpours, including thunderstorms in some locations, will stretch from New England to southeastern Virginia.
The rain and storms will sweep off the coast during the midday and afternoon.
According to Expert Senior Meteorologist John Gresiak, "In New England and eastern upstate New York, the combination of brief heavy rain and snowmelt can cause small streams to rise quickly."
Even in areas where snow is lacking, there is the risk of isolated incidents of flash and urban flooding in areas from Portland, Maine, and Boston, Mass., to New York City, Philadelphia, Washington, D.C., and Richmond, Va.
High Wind Threat
As the culprit storm system rolls into the Great Lakes, a powerful circulation around the feature will generate strong winds from western New York southward through the Appalachians in Virginia and West Virginia.
In the early stage, thunderstorms may accompany the winds. However, strong winds will continue well in the wake a cold frontal passage into Saturday.
Gusts can reach 50 to 70 mph (80 to 110 kph) in southern Ontario, western New York and northwestern Pennsylvania and 40 to 50 mph in southwestern Pennsylvania to the Virginias.
During Saturday midday and afternoon, frequent gusts to 40 mph are likely throughout the region all the way to the Atlantic coast.
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